Home / 1,087,757.76-1,501,206.96-658,143.36

Finding the Fourth Proportional to 1,087,757.76, 1,501,206.96 and 658,143.36

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Solution

The fourth proportional to 1,087,757.76, 1,501,206.96 and 658,143.36 is: 908,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,757.76 : 1,501,206.96 = 658,143.36 : x
  2. Step 2: Convert to fraction form
    1,087,757.76/1,501,206.96 = 658,143.36/x
  3. Step 3: Cross multiply
    1,087,757.76x = 1,501,206.96 × 658,143.36
  4. Step 4: Simplify right side
    1,087,757.76x = 988,009,392,709.79
  5. Step 5: Solve for x
    x = 988,009,392,709.79/1,087,757.76
  6. Step 6: Final answer
    x = 908,299.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.